Python Programming Blueprints

Creating the Dependency Provider

So far we've created a Redis Client with a single method. We now need to create a Nameko Dependency Provider to utilize this client for use with our services. In the same redis.py file, update your imports to include the following:

from nameko.extensions import DependencyProvider 

Now, let's implement the following code:

class MessageStore(DependencyProvider): 
 
    def setup(self): 
        redis_url = self.container.config['REDIS_URL'] 
        self.client = RedisClient(redis_url) 
 
    def stop(self): 
        del self.client 
 
    def get_dependency(self, worker_ctx): 
        return self.client 

In the preceding code, you can see that our new MessageStore class inherits from the DependencyProvider class. The methods we have specified in our new MessageStore ...